Production of solvents by use of halogen compounds.



as. -aer canton WALTER E. MASLAND, 0F WILMINGTON, DELAWARE, ASSIGNOR T0 IE. I. DU FONT DE NEMOURS EOWDER COMPANY, 0F WILMINGTON, DELAWAEE, A CORPORATION OE NEW JERSEY.'

1,082,543.. No Drawing.

a certain new and useful Improvement in ProductionofSolvents by use of Halogen- Compounds, and do hereby declare that the following isv a full, clear, and exact descrip- .tion thereof.

My invention relates particularly to the production of a new solvnt or solvent mix-' ture, which may be used in many different industries, but which isespecially applicable to the production of nitrocellulose coatings, lacquer, artificial leather, bronzing liquors, patent leather, varnishes, etc.

As a concrete embodiment of my inven tion, I will describe it as applied to pyroxy:

lin coatings. In producing solvents of this character, it is desirable to provide a solvent or solvent mixture which is non-hygroscopic and a part of which has a low boiling point and evaporates rapidly, while another portion thereof has ahigh boiling point and will therefore evaporate slowly and make the resulting coating hard and tough. Refined fusel oil has been used for the purpose of rendering miscible diil'erent solvent 1 I liquids of the above character such as alcohol and benzimwhich would otherwise be immiscible, and'in order to eifectthis end it has, for example, been customary to add at 1 cheap and may be obtained in large quanti least approximately three parts of refined fusel oil to a mixture of fifty parts of wood alcohol and 'fifty parts 61 B. benzin. Re-

fined fusel oil is, however, very expensive.

I have discovered that the halogen deriva-. tives of organic compounds, and especially of the hydrocarbons'such, for example, as chlorolefins, may be used in the place of fusel oil in producing, solvent mixtures. Chlorolefins are much preferable to fusel oil in solvent mixtures. The chlorolefins are ties often as by-products in other processes. Furthermore, they are nonliygroscopic and. insoluble in water.- They evaporate more quickly even than amyl acetate, but do not evaporate so quickly as to render their use disadvantageous insolvents. They are not in themselves solvents of nitrocellulose, but

I they may be added to solvents thereof without precipitating the nitrocellulose. They.

are, furthermore, miscible with practically Specification of Letters Patent. Application filed October 7 rnonucrrox or SOLVENTS in: use or HALOGEN co virounns.

Patented Dec. 3Q, 1913.

, 1912. Serial No. 724,440.

allorga-nic solvents and therefore act effectively to render miscible those liquids which are in themselvesimmisciblel As one illustrative embodiment of the use of chlorolefins in accordance with my invention, I may make use of a chlorolefin fraction boiling between about C. and 130 C. This may be used to render miscible a mixture of fifty partsv of wood alcohol and'fifty parts of benzinby adding at least six parts of the chlorolefins thereto, and the whole may be used as a solvent ofnitrocellulose containing-any other ingredients to produce the desired coating composition.

While I have described my invention above in detail, I wish it to be understood that many changes may be made therein without departing from the spirit thereof.

I claim:

1. A composition comprising an unsaturated chlorhydrocarbon mixed with and rendering-miscible a plurality of normally immiscibleliquids.

2. A composition comprising an unsaturated chlorhydrocarbon mixed with and rendering miscible a plurality of normally immiscible liquids, comprising wood alcohol and benzin.

3. A composition comprisinga halogen derivative of a hydrocarbon mixed with and rendering miscible a plurality of normally immiscible liquids, comprising wood alcohol, benzin and nitrocellulose dissolved therein. 7 1 v 4:. A composition comprising a chlorhydrocarbon mixed with and rendering miscible a plurality of normally immiscible liquids, comprisin nitrocellulose d ssolved therein.

5. A composition comprising an unsaturated chlorhydrocarbon mixed with and rendering misciblea plurality of normally immiscible liquids, comprising wood alcohol, benzin and nitrocellulose dissolved therein.

6. A. composition comprising a chlorolefin mixed with and rendering miscible a plurality of normally immiscible liquids. 7. A composition comprising a chloroie fin mixed with and rendering miscible a plurality of normally immiscible liquids, comprising wood alcohol and benzin.

8; A composition comprising a chlorolefin mixed with and -rendering miscible a wood alcohol, benzin and plurality of normally immiscible liquids,

comnrising'wood alcohol, benzin and nitroc'elliilose dissolved therein.

9. A compostion comprising an aliphatic monochlorhydrocarbon mixed with and rendering misciblo'a plurality of normally immiscible liquids.

1.0. A composition comprising an aliphatic monoclilorhydrocarbon mixed with and rendering miscible a plurality of normally immiscible liquids, comprising \vood alcohol and bcnzin.

1.1. The process which comprises rendering a plurality of immiscible liquids miscible by adding thereto an aliphatic monochlorhydrocarbon.

12. A composition comprising an unsaturated halogen derivative of a hydrocarbon mixed with and rendering miscible a plurality of normally immiscible liquids.

13. A composition comprising a halogen substitution derivative of an olefin mixed with and rendering miscible a plurality of normally' immiscible l iquids.

14. A composition comprising a monohalogen' derivative of an aliphatic hydrocarbon mixed With and rendering miscible a plurality ofnormally immiscible liquids.

15. A composition comprising an unsaturated chlorhydrocarbon mixed with and rendering miscible a plurality of normally immiscible liquids and a nitratcd carho-hydratc dissolved therein.

16. A composition comprising a chlor-.

olefin mixed with and rendering; mi cible, a plurality oi" normally immiscible l quids and a nitrated carbo-hydrate dissolved therein.

' 17. Acomposition comprising an aliphatic mono-chlorhydrocarbon mixed with and rendering miscible a plurality of normally immiscible liquids and a nitrated carbo-hydrate dissolved therein.

18. A composition comprising an unsaturated halogen derivative of a hydrocarbon mixed with and rendering miscible a plurality of normally immiscible liquids and a nitrated carbo-hydrate dissolved therein.

19. A composition comprising a halogen substitution derivative of an olefin mixed with and rendering miscible. a pluraltiy of normally immiscible liquids and a nitrated r carbo-hydra te dissolved therein.

20. A composition comprising a mono halogen derivative of an aliphatichydrocarbon mixed with and rendering miscible a plurality of normally immiscible liquids and a nitrated carbohydrate dissolved therein.

21-. A composition comprising a halogen derivative of an unsaturated, hydrocarbon mixed, with and rendering miscible a plurality of normally immiscible liquids.

A composition comprising a halogen derivative of an unsaturated hydrocarbon mixed with and rendering miscible a plurality of normally immiscible liquids, and :1 nitrated curiae-hydrate dissolved therein.

in testimony that I claim the foregoing I luv-: hereunto set hand NAL'lER E. MASLAND.

\Vitucsses:

t. it. Munch, M. GoRMAN. 

